US Bridges

Ferry Street over Thorofare Canal

PoorPosted for load

Wayne County, Michigan · Grosse Ile E/Meridian · Structure no. 000000000012273

Built
1947
78 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete Continuous
Length
95 ft
4 main spans
Daily traffic
971
1995 count
Owner
County
County Highway Agency

About this bridge

Ferry Street over Thorofare Canal is a concrete continuous slab carrying Ferry Street over Thorofare Canal in Wayne County, Michigan. It was built in 1947, so it is 78 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 971 vehicles a day, roughly 1% of them trucks, projected to reach 791 by 2015. The structure is 95 ft (28.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFerry Street
CrossesThorofare Canal
LocationGrosse Ile E/Meridian
RouteCounty Highway 0
Coordinates42.13807, -83.15603
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length95 ft (28.9 m)
Longest span26 ft (7.9 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic971 (1995)
Projected traffic791 by 2015
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ferry Street over Thorofare Canal built?

It was built in 1947, making it 78 years old in 2025.

What condition is Ferry Street over Thorofare Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Ferry Street over Thorofare Canal carry?

About 971 vehicles per day (1995 count), of which roughly 1% are trucks.

How long is Ferry Street over Thorofare Canal?

The structure is 95 ft (28.9 m) long with a longest span of 26 ft (7.9 m) and a deck 36 ft wide.

Who owns Ferry Street over Thorofare Canal?

It is owned by the County Highway Agency.